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• Mathematic Question...
• 頤和園有幾大？
• 數學難題help me

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係咪小兒科 -- 小二數學

發問:

125-318+728= 請詳列數式 謝謝!!! 更新: 請問以上數式屬於那一年級???

最佳解答:

125-318+728 =125+728-318 =853-318 =835 我認為上數式屬於那三年級。 2009-03-14 18:52:03 補充： 125-318+728 =125+728-318 =853-318 =535 Sorry!

其他解答:

可以倒轉來計算: 728+318 =1046-125 =921 以上數式屬於二至三年級!!! 2009-03-14 18:59:35 補充： 125-318+728 =125+728-318 =853-318 =535 Sorry! 剛剛計錯了!!!!!!!!!!!!!!!!!!!!!!!!!!,請原諒!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!|||||125-318+728=853 853-318=535 屬於二年級|||||125+728-318 =853-318 =535 125 +728 _____ 853 - 318 _____ 535|||||125-318+728 =728-193 =535 應該係小2-小3|||||125-318+728 =125+728-318 =853-318 =535 It is about primary 2 to primary 3 level|||||125-318+728 =125+728-318 =853-318 =535 OR ... 125-318+728 = 125+728-318 = 125+(728-318) = 125+410 = 535 second one easier... 請問以上數式屬於那一年級??? about Primary 2 (or 3)|||||125-318+728 =125+728-318 =853-318 =535 屬於小學二至三年級|||||可以把(+728)放到前面: 125+728-318 =853-318 =535......................................................|||||125-318+728=??? 125+728-318 =853-318 =535 2009-03-10 19:06:16 補充： 以上數式屬於二年級|||||可以把(+728)放到前面: 125+728-318 =853-318 =53563D0B758E2D502CC